Massage apparatus.



K. VANHOOK. MASSAGE APPARATUS.

APPLICATION FILED JAN.17, 1911.

1,042,058.. Patented 001;. 22, 1912.

UNITED STATES PATENT onnron.

KATE VAN BOOK, OF HIAWATHA, KANSAS.

MASSAGE APPKRATIT S.

To all whom it may concern:

Be it known that I, KATE VAN H0011, a citizen of the United States,residing at Hiawatha, in the county of Brown and State of Kansas,have-invented new and useful Improvements in Massage Apparatus, of whichthe following is a full, clear, concise, and exact description,reference being had to the accompanying drawing, forming a part of thisspecification,

My invention relates to improvements in massage apparatus in general,but more specifically in connection with ear massage devices, and hasfor its object the production of a device by means of which the drums ofthe ears may be vibrated or flexed to any desired degree.

A further object is the production of a device in which the movement ofa resilient diaphragm is utilized to obtain the desired result.

A further object is the production of a de-. vice in which the parts areof simple construction, conveniently arranged in a suit-- able case andnot liable to disarrangement.

These and such other objects as are hereinafter set forth are attainedby my device, an embodiment of which is illustrated in the accompanyingdrawings, in which Figure 1 represents a side elevation of my devicepartly in section; Fig. 2 represents a sectional view on the line 22 ofFig. 1, looking in the direction indicated by the arrows.

Like numerals of reference indicate like parts in the several figures ofthe drawing.

Referring now to the drawings, 3 is a handle or support through whichpasses the cord 4. Mounted on the handle, is a metallic case A, divided,in the present instance, into two chambers 5 and 6. Mounted within thechamber 5, is a suitable motor B, comprising a field 7, rigidly securedwithin the walls 8 of the casing by means of bolts 9 passingtherethrough and an armature 10 mounted on a shaft 11, one end of whichpasses through the bottom of the case and into the handle, while theupper end passes through the top of the case and into the chamber 6,

as shown at 12.

p The carbon brushes 13 are held against the commutator 14 by means ofsprings 15 in the tube 16, and the connection between the field 7 andthe cord 4 is shown at 1'2.

On. the cord-circuit 4, is placed a suitable rheostat 18 adapted to fitin any lamp socket,

Specification of Letters Patent.

Application filed January 17, 1911.

Patented 0ct. 22,1912. Serial No. 603,195.

threaded about the openings 24 at 25, and a hard rubber cylindricalextension 26 is screwed therein. This extension is enlarged at the end,as shown at 27, forming a circular seat 28. A diaphragm of rubber orother resilient material 29 is mounted on the seat 28 and held in placeby a hard rubber gasket 30, fitting within the enlarged end 27. -Anordinary thin metallic disk on diaphragmffil, similar to those used intelephone receivers, is mounted on the end of the extension, and anordinary telephone receiver cap 32 is screwed over the end of theextension, holding the diskin place.

The connecting rod 21 is hingedly mounted at the outer end 33 on asupporting head 84, adapted to press against the inner face of thecenter of the diaphragm and held against lateral movement by means ofthe screw 35, a washer 36 being interposed between the'screw and thediaphragm, I

The mechanical operation of my device is extremely simple. The currentbeing turned on, the shaft 11 rotates, transmitting a reciprocatorymotion to the connecting shaft or rod 21 and causing the diaphragm 29 tomove in and out rapidly, the IIlJOtiOI] amounting practically to avibration of the disk or diaphragm. This rapid vibration causes the airwithin the chamber 37 between the diaphragms to be alternatelycompressed and expanded and causes the vibration of the second disk ordiaphragm 31. The instrument being-held close to the ear, the column ofair between the outer diaphragm and the ear is also alternatelycompressed and expanded. thus tending to set up a vibratory action inthe drum of the ear and perform what may be termed phonic massage.

The cause of deafness in a great many cases is known to be a lack ofcirculation in the tiny blood vessels in and surrounding In the eventthat the current used is not strong. or the case treated is stubborn orsevere. the second. diaphragm 31 may be dis pensed with and theVibrations transmitted directly from the first diaphragm 29.

I claim:

1. In a device of the class described, the combination of a diaphragmcase, a diaphragm, a second diaphragm so positioned as to form a closedchamber between the two diaphragms, a motor, and means for causing saiddiaphragms to vibrate rapidly.

2. in a device of the class described, the combination ot'a diaphragmcase, a diaphragm, a second diaphragm so positioned as to form a closedchamber between said diaphragms, a motor, a connecting rod between theshaft of said motor and said first mentioned diaphragm, whereby bothdiaphragms may be caused to Vibrate rapidly.

8. lin a device of the class described, the combination of a diaphragmcase, a diaphragm, a second diaphragm so positioned as tO fO TIR aclosed chamber therebetween,

reac es a motor, a connecting rod positioned between the motor and saidfirst mentioned diaphragm and eccentrically mounted on the shaft of saidmotor through the movement of which said diaphragms may be caused tovibrate rapidly.

4. In a device of the class described, a case provided with a motorchamber and a diaphragm chamber, an electric motor mounted Within saidmotor chamber, a source of current therefor, a connecting rodeccentrically mounted on the shaft of said motor and positioned withinsaid diaphragm chamber, a

resilient diaphragm closing the opened end of said diaphragm chamber,the outer end of said connecting rod being connected wlth the center ofsaid diaphragm, and a second v resilient diaphragm mounted in front ofsaid first named diaphragm and forming an air chamber therebetween.whereby the operation or" said motor causes said diaphragm to vibrate. I

In witness whereof, I have hereunto subscribed, my name in the presenceof two witnesses.

KATE VAN noon. Witnesses: Y

Nnts ALLEN, Pacers iR-nAn.

